POHIR Pressure Washer Adapter Set 8 Pack, 2 Different M22-14 Swivel to 3/8'' Male and Female Quick Connect, 3/4" Brass Garden Hose Quick Release Connector and M22 15&14mm to 14mm NPT Fitting :
Brass Male M22/14mm to 3/8 NPT Female Adapter. Twist Connect Pressure Washer | eBay
Karcher 3/8-in Male Plug to M22 Male | Lowe's Canada